From 14228229b8138e4a306bd0f633e3e55a77a58d6e Mon Sep 17 00:00:00 2001
From: bhagwan <bhagwan@disroot.org>
Date: Thu, 7 Mar 2024 15:21:51 -0800
Subject: [PATCH] feat(git_stash): auto-detect delta previewer

---
 lua/fzf-lua/defaults.lua      | 11 ++++++-----
 lua/fzf-lua/providers/git.lua |  7 +++++++
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/lua/fzf-lua/defaults.lua b/lua/fzf-lua/defaults.lua
index b3607c33..6799fa8b 100644
--- a/lua/fzf-lua/defaults.lua
+++ b/lua/fzf-lua/defaults.lua
@@ -298,14 +298,15 @@ M.defaults.git = {
     actions  = { ["default"] = actions.git_checkout },
   },
   stash = {
-    prompt   = "Stash> ",
-    cmd      = "git --no-pager stash list",
-    preview  = "git --no-pager stash show --patch --color {1}",
-    actions  = {
+    prompt        = "Stash> ",
+    cmd           = "git --no-pager stash list",
+    preview       = "git --no-pager stash show --patch --color {1}",
+    preview_pager = M._preview_pager_fn,
+    actions       = {
       ["default"] = actions.git_stash_apply,
       ["ctrl-x"]  = { fn = actions.git_stash_drop, reload = true },
     },
-    fzf_opts = {
+    fzf_opts      = {
       -- TODO: multiselect requires more work as dropping
       -- a stash changes the stash index, causing an error
       -- when the next stash is attempted
diff --git a/lua/fzf-lua/providers/git.lua b/lua/fzf-lua/providers/git.lua
index a9e9e64e..1cd03dec 100644
--- a/lua/fzf-lua/providers/git.lua
+++ b/lua/fzf-lua/providers/git.lua
@@ -193,6 +193,13 @@ M.stash = function(opts)
 
   if opts.preview then
     opts.preview = path.git_cwd(opts.preview, opts)
+    if type(opts.preview_pager) == "function" then
+      opts.preview_pager = opts.preview_pager()
+    end
+    if opts.preview_pager then
+      opts.preview = string.format("%s | %s", opts.preview,
+        utils._if_win_normalize_vars(opts.preview_pager))
+    end
   end
   if opts.search and opts.search ~= "" then
     -- search by stash content, git stash -G<regex>